:tip:To activate the internal termination resistance see paragraph “Setup of AUX2 PORT polarisation and termination resistances“
Connector
CN4 TerminalSymbolDescription
cnn_3fv_p3.5_03.jpg 1 0V RS485 serial common
2 B Terminal RS485 B
3 A Terminal RS485 A
Setup of AUX2 PORT polarisation and termination resistances
SW4 Num.
Dip		Name
Dip		Setting
of DIP		Function
dip-4.jpg 1 JP3 ON Polarisation RS485
2 JP2 ON Termination RS485
3 JP1 ON Polarisation RS485
4 X1) None
1) X = setting not significant